First question is when can the RDL be used. I tried to use it today and it just blinks at me on the dash. Put the truck in 4x4 high and it still blinks, 4x4 low it still blinks... I think its like the 4x4 signal it blinks then turn to solid when it locks in .......... mine never locks in. whats the deal..... next question is the dealer going to tell me to go shive it up my *#### since Ive raise the truck 3 inches...

A dealer can not deny warranty claims because of aftermarket parts or modifications unless they can prove that those parts or modifications caused the problem to begin with. Read up about the Magnuson-Moss Warranty Act if you're concerned.

shift to 4hi...then come to a complete stop...shift truck to n...shift 4wd to n then to 4lo...then put truck back in gear...press diff lock button...ease forward...if you lower your windows you can hear it engage and the light will stop blinking and go solid...you may have to roll back and forth a little bit to get it to engage...possibly turning a slight bit as well